/Engine/Plugins/Animation/ControlRig/Source/ControlRigDeveloper/Public/ControlRigBlueprint.h
void PropagatePropertyFromBPToInstances ( [FRigElementKey](API\Plugins\ControlRig\Rigs\FRigElementKey) InRigElement, const [FProperty](API\Runtime\CoreUObject\UObject\FProperty) * InProperty ) const